#!/usr/bin/python -d

import sys, os, re, subprocess, inspect
from PyQt4 import QtCore, QtGui
from etk.unittests.testconverter.scripts.nosetestsGUI import Ui_Dialog

class nosetestUI(QtGui.QMainWindow):
    def __init__(self, parent=None):
        self.localpath = os.getcwd()
        self.localpath = os.path.abspath(os.path.join(self.localpath,
                                            "..", "..", "..", ".."))
        self.projectPath = 'main\\employer_toolkit\\app\\server\\etk\\unittests\\converted'

        QtGui.QWidget.__init__(self, parent)
        self.processTests = self.getTestFiles()
        self.ui = Ui_Dialog()
        self.ui.setupUi(self)
        self.filepath = ''

        for test in self.processTests.keys():
            self.ui.selectProcess.addItem(test) # name

        self.ui.selectProcess.activated['QString'].connect(self.getTestProcess)
        self.ui.selectTest.activated['QString'].connect(self.getTest)

        QtCore.QObject.connect(self.ui.testButton,
          QtCore.SIGNAL("clicked()"), self.runTest)
        QtCore.QObject.connect(self.ui.cancelButton,
          QtCore.SIGNAL("clicked()"), self.close)

    def getTestFiles(self):
        """ returns a dict of the unittest files in the converted folder, e.g.
            fileDict[studentloan] = studentloan_unittest.py
        """
        fileDict = {}
        path = os.path.join(self.localpath, self.projectPath)
        results = []
        results += [fname for fname in os.listdir(path) if fname.endswith('.py')]
        results.remove('__init__.py')
        for fname in results:
            fileDict[re.sub('_unittest.py','',fname)] = fname
        return fileDict

    def getTestProcess(self):
        self.ui.errorMsg.setText('')
        testProcess = unicode(self.ui.selectProcess.currentText())
        tests = []  # Make sure the list is clear when the process changes
        try:
            self.filepath = os.path.join(self.localpath, self.projectPath,
                                            self.processTests[testProcess])
            print self.filepath
        except KeyError:
            self.ui.errorMsg.setText('Select a process')
        with open(self.filepath) as f:
            lines = f.readlines()
            tests += [line.split(' ', 1)[1].split('(')[0] for line in lines
                        if line.strip().startswith('def test_')]
        self.ui.selectTest.clear()
        self.ui.selectTest.addItem('All')
        for test in tests:
            test = re.sub('def','',test)
            self.ui.selectTest.addItem(re.sub('\s','',test))

    def getTest(self):
        test = unicode(self.ui.selectTest.currentText())
        return test

    def runTest(self):
        args = []
        if self.ui.verbose.checkState() == 2: args.append('-v')
        if self.ui.doctest.checkState() == 2: args.append('--with-doctest')
        if self.ui.pyDebug.checkState() == 2: args.append('--pdb')
        if self.ui.pyDebugFails.checkState() == 2: args.append('--pdb-failures')

        testProcess = unicode(self.ui.selectProcess.currentText())
        test = self.getTest()
        # Create the command to run the conversion
        if test == "All":
            cmd = "nosetests {process} {args}".format(process= self.filepath,
                                                  args= ', '.join(args))
        else:
            cmd = "nosetests {process}:{test} {args}".format(process = self.filepath,
                                                                test= test, args= ' '.join(args))
        print cmd
        try:
            # Run the converter tool
            os.system(cmd)
        except OSError, e:
            raise Exception, "Error: ", e


if __name__ == "__main__":
    app = QtGui.QApplication(sys.argv)
    nosetest = nosetestUI()
    nosetest.show()
    sys.exit(app.exec_())